From: Association between physical activity and academic performance in Korean adolescent students
Case | OR | 95% CI | p | ||
---|---|---|---|---|---|
Boys | 39,612 | ||||
Academic performance ≥ Average (yes/no) | No vigorous PA | 7,314 | Reference | ||
Once a week | 7,067 | 1.029 | 0.925–1.145 | 0.602 | |
Twice a week | 7,847 | 1.198 | 1.080–1.329 | 0.001** | |
Thrice a week | 6,994 | 1.287 | 1.156–1.433 | <0.001*** | |
4 times a week | 3,066 | 1.265 | 1.117–1.433 | <0.001*** | |
5 times a week or more | 7,324 | 0.886 | 0.801–0.981 | 0.020* | |
No moderate PA | 7,946 | Reference | |||
Once a week | 8,379 | 1.121 | 1.021–1.232 | 0.017* | |
Twice a week | 8,351 | 1.337 | 1.216–1.471 | <0.001*** | |
Thrice a week | 6,401 | 1.460 | 1.315–1.621 | <0.001*** | |
4 times a week | 2,539 | 1.363 | 1.183–1.570 | <0.001*** | |
5 times a week or more | 5,996 | 1.135 | 1.013–1.271 | 0.029* | |
No strengthening exercises | 13,290 | Reference | |||
Once a week | 8,413 | 0.968 | 0.894–1.048 | 0.423 | |
Twice a week | 6,354 | 1.076 | 0.978–1.183 | 0.132 | |
Thrice a week | 4,804 | 1.021 | 0.920–1.132 | 0.700 | |
4 times a week | 1,966 | 0.910 | 0.785–1.054 | 0.209 | |
5 times a week or more | 4,785 | 0.828 | 0.754–0.910 | <0.001*** | |
Girls | 35,454 | ||||
Academic performance ≥ Average (yes/no) | No vigorous PA | 15,676 | Reference | ||
Once a week | 7,540 | 1.074 | 0.988–1.168 | 0.094 | |
Twice a week | 5,628 | 0.958 | 0.869–1.057 | 0.396 | |
Thrice a week | 3,661 | 0.943 | 0.832–1.069 | 0.361 | |
4 times a week | 1,009 | 1.073 | 0.879–1.309 | 0.488 | |
5 times a week or more | 1,940 | 1.532 | 1.336–1.757 | <0.001*** | |
No moderate PA | 13,059 | Reference | |||
Once a week | 8,640 | 1.034 | 0.947-1.129 | 0.455 | |
Twice a week | 6,471 | 1.113 | 1.008–1.229 | 0.035* | |
Thrice a week | 4,032 | 1.306 | 1.161–1.468 | <0.001*** | |
4 times a week | 1,164 | 1.065 | 0.893–1.270 | 0.481 | |
5 times a week or more | 2,088 | 0.904 | 0.797–1.024 | 0.111 | |
No strengthening exercises | 21,540 | Reference | |||
Once a week | 7,045 | 0.995 | 0.922–1.075 | 0.906 | |
Twice a week | 3,286 | 0.928 | 0.834–1.034 | 0.176 | |
Thrice a week | 1,898 | 0.997 | 0.867–1.147 | 0.969 | |
4 times a week | 564 | 0.764 | 0.579–1.009 | 0.058 | |
5 times a week or more | 1,121 | 0.739 | 0.618–0.883 | 0.001** |